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| Most affordable oscilloscope capable of color graded eye diagram? |
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| entropi:
Either new or vintage, what are the most affordable scopes capable of a color graded eye pattern generation? This is a very cool feature and I’m just curious how attainable it is these days. |
| Someone:
Its a shame this feature has been kept as a product differentiator, its useful beyond XXGS/s eye diagrams. I think Siglent are the cheapest new scopes that have this. |
| DaJMasta:
Anything that can do intensity grading and long persistence can do color grading with a modest software change in the graphics code, but yes, I think Siglent scopes are cheap end ones that have bothered to implement it. LeCroy scopes have had it since they went to color screens, so you may be able to find an LC series scope that was cheaper. It's certainly an interesting feature, and I find it easier to glean data from than a regular intensity graded persisting screen, but it's really barely even a feature, basic implementations would only be a few lines of code, though it could be more with controls of it or with certain methods of drawing the display. |
| entropi:
I think it's also important to have embedded clock recovery features to be able to leverage it well. For general reference, this is what a color graded eye diagram looks like: |
| entropi:
What I'm talking about with clock recovery... Here is a Keysight MSO-X 6004A Showing the embedded clock recovery settings screen: And a Rohde & Schwarz showing similar: |
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